use the medicine doctors use for themselves. one more reason to make advil your #1 choice. you don't love me anymore do you billy? what? i didn't buy this cereal to sweet talk your taste buds it's for my heart health. good speech dad. [ whimper ] [ male announcer ] honey nut cheerios tastes great and its whole grain oats can help lower cholesterol. bee happy. bee healthy. >>> have you seen that video of an anguished father in florida, storming onto a school bus to confront children he believed had bullied his daughter? the video got a lot of people talking. was the father justified? and what would you have done? today, the father spoke publicly about the lesson he says he learned. here's matt gutman. >> reporter: he admitted that in this fit of rage -- >> this is my daughter, and i will kill [ bleep ] -- >> reporter: he had become what he hoped to fight. >> yes, i was a bully, and i apologize again for that. >> reporter: it was an apology both public and emotional. >> i thought it was backed up against the wall, as a parent, and i just didn't know where else to go. >> repor